Product-specific safety information
2.3 Safety instructions for safety-related applications
SIRIUS 3RM1 motor starter
18 Manual, 11/2013, A5E0345285095020A/RS-AB/002
Safety instructions for safety-related applications
Hazardous Voltage.
Can Cause Death, Serious Injury, or Property Damage.
Turn off and lock out all power supplying this device before working on this device.
Function test interval for 3RM11/3RM13 Failsafe motor starters
In continuous operation, the key safety values apply in the case of a function test interval
(state change of the outputs) ≤ 1 year.
• Actuate the connected sensors.
• Check their effect on the safety relay and the downstream actuators.
• Activate the safety relay via the connected sensors.
• Check their effect on the safety relay and the downstream actuators.
• Defective devices must be replaced.
Bypassing the safety function in the event of a fault in the case of 3RM11/3RM13 Failsafe
motor starters with 110 to 230 V AC
110 V DC control supply voltage
The control signal for the control inputs in the case of 3RM11/3RM13 Failsafe motor
starters with 110 to 230 V AC control supply voltage must come from A1. Otherwise, the
safety function is bypassed in the event of a fault. Thus, only relay outputs are admissible
when using a PLC.
Do not use a separate control voltage. Only use the relay outputs when using a PLC.
Bypassing the safety function when using device connectors
When operating with a 3SK1 safety relay and a device connector, the supply voltage for
3RM1 motor starters is established via the device connectors.
In this case, do not connect anything to terminals A1 and A2 of the 3RM1 motor starters, in
order to prevent bypassing of the safety function.
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